Chaetocladius coppai sp. nov. and C. diai sp. nov., two mountain species inhabiting glacial springs and cold streams of the Alps and Lebanon (Diptera: Chironomidae, Orthocladiinae)

J. Moubayed-Breil & A. Dia

Abstract. Two new species of the genus Chaetocladius are described, C. (s. str.) coppai sp. nov. as male adult and C. (s. str.) diai sp. nov. as male adult and pupa. The descriptions are based on the material collected at glacial alpine springs and small streams located in the Maritime French Alps and the Swiss Alps for C. coppai sp. nov., and the Mount Lebanon range for C. diai sp. nov. According to the characters of the adult males, C. coppai sp. nov. belongs to the laminatus-group, while C. diai sp. nov. is close to C. elegans Makarchenko et Makarchenko, 2001. The comments on the taxonomic position, ecology and geographical distribution of the new species are given.

Key words: glacial springs, streams, mountains, the Alps, Lebanon, Diptera, Chironomidae, Orthocladiinae, Chaetocladius, new species

Zoosystematica Rossica, 2017, 26(2): 369–380 ▪ Published in print 25 December 2017

https://doi.org/10.31610/zsr/2017.26.2.369 ▪ Open full article

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